Less than half — 45 percent — of Republican voters say they are satisfied with Donald Trump as their party's presidential nominee, according to the latest results from an NBC News/Wall Street Journal poll released Monday.Another 52 percent said they would have preferred someone else as the GOP standard bearer, while the levels of satisfaction are reversed among Democratic voters, 52 percent of which said they are satisfied with Hillary Clinton as their party's nominee in November.The results break down ideological and educational lines.Among conservative Republicans, 53 percent said they would have preferred a candidate other than Trump, while 45 percent of that group said they are fine with the Manhattan real-estate mogul as the nominee.